From 2c75e15049526272041b6407333a61152442c6da Mon Sep 17 00:00:00 2001
From: Sam <sam.saffron@gmail.com>
Date: Mon, 13 Jan 2014 14:40:21 +1100
Subject: [PATCH] FEATURE: query param for closed / archived / open

?status=closed for closed topics
?status=open for open topics
?status=archived for archived topics
---
 app/controllers/list_controller.rb |  1 +
 lib/topic_query.rb                 | 14 +++++++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/app/controllers/list_controller.rb b/app/controllers/list_controller.rb
index e19fdefbc..f532c550f 100644
--- a/app/controllers/list_controller.rb
+++ b/app/controllers/list_controller.rb
@@ -156,6 +156,7 @@ class ListController < ApplicationController
       category: params[:category],
       sort_order: params[:sort_order],
       sort_descending: params[:sort_descending],
+      status: params[:status]
     }
     result[:no_subcategories] = true if params[:no_subcategories] == 'true'
     result
diff --git a/lib/topic_query.rb b/lib/topic_query.rb
index f1aaf3825..6a3d40e96 100644
--- a/lib/topic_query.rb
+++ b/lib/topic_query.rb
@@ -18,7 +18,8 @@ class TopicQuery
                      category
                      sort_order
                      no_subcategories
-                     sort_descending).map(&:to_sym)
+                     sort_descending
+                     status).map(&:to_sym)
 
   # Maps `sort_order` to a columns in `topics`
   SORTABLE_MAPPING = {
@@ -243,6 +244,17 @@ class TopicQuery
         result = result.where('topics.id in (?)', options[:topic_ids]).references(:topics)
       end
 
+      if status = options[:status]
+        case status
+        when 'open'
+          result = result.where('NOT topics.closed AND NOT topics.archived')
+        when 'closed'
+          result = result.where('topics.closed')
+        when 'archived'
+          result = result.where('topics.archived')
+        end
+      end
+
       guardian = Guardian.new(@user)
       unless guardian.is_staff?
         allowed_ids = guardian.allowed_category_ids